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The Construction Record Builder (CRECBuilder) Java application reads MODIS packet files and recreates the corresponding Construction Record (CSR) metadata files to comply with the mission-specified data format--the Production Data Set (PDS).

This Normalized Difference Vegetation Index (NDVI)/Enhanced Vegetation Index (EVI) algorithm uses all three MODIS Level 1B files (1KM, HKM and QKM) and outputs NDVI and EVI in a single HDF file. NDVI/EVI is a daytime only product. The algorithm is applied on corrected reflectances in MODIS bands 1, 2 and 3.